Hardi Navigator 550M User Manual

63HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
8.0 TROUBLESHOOTING
8.1 General Spray Systems
Problem Cause
1. No liquid getting to the pump. A. Suction side plugged.
B. Suction fi lter plugging (If fi tted).
2. Lack of pressure A. Suction side plugged.
B. Suction fi lter plugging (If fi tted).
C. Hydraulic motor shaft coupling
loose or fork pin missing.
D. Flow limiting valve closed
because of too much hydraulic
fl ow to the pump motor.
E. P.T.O. speed not fast enough
(P.T.O. driven pumps only).
F. Bad seat on spool valve for
boom section control.
G. Flush valve not in correct
position. (Units equipped with
Flush & Rinse™ system only).
H. Bad suction valve or suction
side air leak.
I. P.T.O. not engaged (P.T.O.
driven pumps only).
J. Belt broke or missing (Belt
Driven pumps only).
3. Pressure jumping A. Output from by-pass lines
causing a disturbance around
suction hose.
B. Small tear or pin hole in suction
hose.
C. Bad O-ring on suction fi lter
(if fi tted).
D. P.T.O. shaft slipping on pump
crank shaft (P.T.O. driven pumps
only).
E. Suction side air leak.

Hardi Navigator 550M Specifications

General

Brand	Hardi
Model	Navigator 550M
Category	Paint Sprayer
Language	English